sc300 power seat power problem
10-03-12, 04:57 PM
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sc300 power seat power problem
ok i have a 94 sc300, i bought racing seats, i wanted them to b power racing seats so i bought 2 donor seats frm another lexus. PROBLEM #1 the plugs were differnt , no biggie i cut then and wired them up, then i fabricated rails to fit seat cut brackets weldied everythng i cheaked right b4 i did final welds that everything wrked and they did. as i installed the seats i forgot to finish wiring on driver seat and the power and ground touched, NOW I HAVE NO POWER, i cheaked fuses under dash none of them say seats, and fuse box under hood same thing no seat fuse, so i changed the computer thinking ok i fried the position ecu and changed it nothing still dead. MY QUESTION IS does any1 knw were the fuse is???? or does it have a fuse relay? if so where is it, im coming up w nothing 4 info on internet figured mayb some of u had same problem or what it could b thankz guyz
10-03-12, 10:56 PM
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ok i found out the answer, the seats do NOT have a relay, it does how ever have a fuse, it is a PINK 40am fuse under nieth the dash driver side its the last fuse bottom row. thats the fuse that controls ur seats if its not blown and u still have no power then try ur POSITION CONTROL ECU under the passenger seatn its 2 10mm bolt and u have to undo all the bolts to the seat to get to make u get lucky and use a small rachet and or box open end but its so much esier if u just unbolt it oush it back and bam u see it and u dnt have to struggle or risk cracking ur valacne in front of the seat. if the ecu and fuse r good, then test with a test light to see if u have power to the switch, if u do then SWITCH IS BAD!!! if u do not then test at the plug if u have power at switch clearly u have power at plug then that means u HAVE BAD MOTORS OR A BAD MOTOR, if u do not have power at plug then u need to start to trace, where is the next junction point or harness conection and test to see where u last have power and start to look 4 bad pin connection or cut wires. this should pretty much cover all ur needs and repairs as far as having power or fixing a power issue to ur power seats! tyvm clearly nobody not to many people have this issue so hopfully i did most of the homewrk 4 you
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